<SEC-DOCUMENT>0001388658-21-000051-index.html : 20210322 <SEC-HEADER>0001388658-21-000051.hdr.sgml : 20210322 <ACCEPTANCE-DATETIME>20210322201237 ACCESSION NUMBER: 0001388658-21-000051 CONFORMED SUBMISSION TYPE: 4/A PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20210301 FILED AS OF DATE: 20210322 DATE AS OF CHANGE: 20210322 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Day Mark J. CENTRAL INDEX KEY: 0001769845 FILING VALUES: FORM TYPE: 4/A SEC ACT: 1934 Act SEC FILE NUMBER: 001-37918 FILM NUMBER: 21762715 MAIL ADDRESS: STREET 1: C/O IRHYTHM TECHNOLOGIES, INC. STREET 2: 650 TOWNSEND STREET, SUITE 500 CITY: SAN FRANCISCO STATE: CA ZIP: 94103 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: iRhythm Technologies, Inc. CENTRAL INDEX KEY: 0001388658 STANDARD INDUSTRIAL CLASSIFICATION: SURGICAL & MEDICAL INSTRUMENTS & APPARATUS [3841] IRS NUMBER: 208149544 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 650 TOWNSEND STREET STREET 2: SUITE 500 CITY: San Francisco STATE: CA ZIP: 94103 BUSINESS PHONE: 415-632-5700 MAIL ADDRESS: STREET 1: 650 TOWNSEND STREET STREET 2: SUITE 500 CITY: San Francisco STATE: CA ZIP: 94103 FORMER COMPANY: FORMER CONFORMED NAME: IRhythm Technologies, Inc. DATE OF NAME CHANGE: 20110429 FORMER COMPANY: FORMER CONFORMED NAME: IRhythm Technologies Inc DATE OF NAME CHANGE: 20070201 </SEC-HEADER> <DOCUMENT> <TYPE>4/A <SEQUENCE>1 <FILENAME>wf-form4a_161645833339257.xml <DESCRIPTION>FORM 4/A <TEXT> Document 1 - file: wf-form4a_161645833339257.html
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